Method of making rail bonds,申请号US19350046559-传众专利搜索

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发明名称	Method of making rail bonds
摘要
申请公布号	US2149043(A)	申请公布日期	1939.02.28
申请号	US19350046559	申请日期	1935.10.24
申请人	THE ELECTRIC RAILWAY IMPROVEMENT COMPANY	发明人	CADWELL CHARLES A.
分类号	B60M5/00	主分类号	B60M5/00
代理机构		代理人
主权项
地址

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